Home / 19,531.02-29,189.35-14,277.09

Finding the Fourth Proportional to 19,531.02, 29,189.35 and 14,277.09

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Solution

The fourth proportional to 19,531.02, 29,189.35 and 14,277.09 is: 21,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.02 : 29,189.35 = 14,277.09 : x
  2. Step 2: Convert to fraction form
    19,531.02/29,189.35 = 14,277.09/x
  3. Step 3: Cross multiply
    19,531.02x = 29,189.35 × 14,277.09
  4. Step 4: Simplify right side
    19,531.02x = 416,738,941.30
  5. Step 5: Solve for x
    x = 416,738,941.30/19,531.02
  6. Step 6: Final answer
    x = 21,337.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.